body {
	background-color: #FFF;
}

#header {
	background-color: #33CCFF;
	width: 990px;
	margin: 0px auto;
	height: 100px;
	border: thin dashed #CCCCCC;

}
#content {
	background-color: #33CCFF;
	margin: 0px auto;
	width: 990px;
	border: thin dashed #CCCCCC;
}
#content:after{
	content: "";
	height: 0;
	clear: both;
	overflow: hidden;
	display: block;
	visibility: hidden;
}
#left {
	background-color: #33CCFF;
	margin: 3px;
	float: left;
	width: 215px;
	
}
#left_top,#left_bottom {
	background-color: #FFFFFF;
	margin: 3px;
	float: left;
	width: 200px;
	border: thin dashed #CCCCCC;

}
#main
{
	margin: 6px 3px 3px 3px;
	float: left;
	width: 750px;
	border: thin dashed #CCCCCC;
	background-color: #FFF;
}
#bottom {
	background-color: #33CCFF;
	width: 990px;
	margin: 0px auto;
	height: 50px;
	border: thin dashed #CCCCCC;

}
